Teppei just transferred into Kaimei Academy, and he's pressured to join the Sket-dan by his classmate, Bossun. Then, one day, Teppei is attacked by a mysterious masked paint chucker, "Paint Mask"!
He won't target us unless we're alone, see...
No atacará a alguien a menos que esté solo.
No atacará a alguien a menos que esté solo.
Ele só vai nos atacar se 
estivermos sozinhos, entendem...